OpenTechnical

OT-2026-000011792

Publication integrity record

Four finger electric gripper, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000011792) never changes.

Identity and time

Publication numberOT-2026-000011792 · never reused
Internal UUID01a0ae6d-1941-7b38-be8c-ef53bf244a0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011792
StatusPUBLIC

Content hashes

Canonical text1d6115f74dda9532f4dfd217a2d60e561e368359e0472020170621195e0431a7
Markdowne1eb090f84a33c18264c6f12ccd7cfdcd7d9852815e553b8285f47c8a7faaff3
PDF
Publication page690a70902b2e333f0227cd2c0d66a7a152071b78fe94eb2ca3d4360df8aae6f2
Manifestdb500a88deb9fdee2401ea52820609f0ee58de6bbdde61745b6cd98a41f1a56f

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature/C4OPf8dqQQ55F1jgVbQDb7ZCcYiQtq7Ujixex+7y9TXz5Xwf50sES4ihhlUDvjqUv7RBixQIEHSf/merh05AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:30.897691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011792
observed 690a70902b2e333f0227cd2c0d66a7a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:30.878496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011792/manifest.json
observed db500a88deb9fdee2401ea52820609f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:30.859119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011792/publication.md
observed e1eb090f84a33c18264c6f12ccd7cfdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:30.841005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011792/publication.txt
observed 1d6115f74dda9532f4dfd217a2d60e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.